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Real-time environmental monitoring using a multi-agent system (MAS) has long been a focal point of cooperative control. It is still a challenging task to provide cost-effective services for potential emergencies in surface environments.…

Optimization and Control · Mathematics 2024-05-06 Chao Zhai , Yuming Wu

It is always a challenging task to service sudden events in non-convex and uncertain environments, and multi-agent coverage control provides a powerful theoretical framework to investigate the deployment problem of mobile robotic networks…

Optimization and Control · Mathematics 2022-09-07 Chao Zhai , Pengyang Fan

This paper systematically studies the cooperative area coverage and target tracking problem of multiple-unmanned aerial vehicles (multi-UAVs). The problem is solved by decomposing into three sub-problems: information fusion, task…

Multiagent Systems · Computer Science 2023-03-17 Mengge Zhang , Jie Li , Xiangke Wang

The movable antenna (MA) is a promising technology to exploit more spatial degrees of freedom for enhancing wireless system performance. However, the MA-aided system introduces the non-convex antenna distance constraints, which poses…

Signal Processing · Electrical Eng. & Systems 2024-07-12 Yichen Jin , Qingfeng Lin , Yang Li , Yik-Chung Wu

Due to the ultra-dense constellation, efficient beam coverage and interference mitigation are crucial to low-earth orbit (LEO) satellite communication systems, while the conventional directional antennas and fixed-position antenna (FPA)…

Information Theory · Computer Science 2024-04-25 Lipeng Zhu , Xiangyu Pi , Wenyan Ma , Zhenyu Xiao , Rui Zhang

This paper investigates the use of an unmanned aerial vehicle (UAV) to assist covert communication between a low-Earth orbit (LEO) satellite and a ground user under the surveillance of a passive warden. The UAV simultaneously serves its own…

Signal Processing · Electrical Eng. & Systems 2025-11-11 Hung D. Nguyen , Jeongseok Ha

A novel multiuser communication system with movable antennas (MAs) is proposed, where the antenna position optimization is exploited to enhance the downlink sum-rate. The joint optimization of the transmit beamforming vector and transmit MA…

Signal Processing · Electrical Eng. & Systems 2023-09-26 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Chongjun Ouyang

This paper presents coordination algorithms for groups of mobile agents performing deployment and coverage tasks. As an important modeling constraint, we assume that each mobile agent has a limited sensing/communication radius. Based on the…

Optimization and Control · Mathematics 2007-05-23 Jorge Cortes , Sonia Martinez , Francesco Bullo

In this paper, a cooperative localization algorithm is proposed that considers the existence of obstacles in mobilityassisted wireless sensor networks (WSNs). In this scheme, a mobile anchor (MA) node cooperates with static sensor nodes and…

Information Theory · Computer Science 2016-11-17 Hongyang Chen , Qingjiang Shi , Pei Huang , H. Vincent Poor , Kaoru Sezaki

In order to overcome the inherent latency in multi-user unmanned aerial vehicle (UAV) networks with orthogonal multiple access (OMA). In this paper, we investigate the UAV enabled uplink non-orthogonal multiple access (NOMA) network, where…

Signal Processing · Electrical Eng. & Systems 2019-08-27 Jinhui Lu , Yuntian Wang , Tingting Liu , Zhihong Zhuang , Xiaobo Zhou , Feng Shu , Zhu Han

The integration of unmanned aerial vehicles (UAVs) into next-generation wireless networks is a promising solution for providing flexible, efficient coverage. This paper explores the optimal deployment of a single UAV to cover an arbitrary…

Systems and Control · Electrical Eng. & Systems 2025-03-25 Alexander Vavoulas , Nicholas Vaiopoulos , Konstantinos K. Delibasis , Harilaos G. Sandalidis

This is a complete version of the 6-page IEEE TAC technical note [1]. In this paper, we consider the distributed surrounding of a convex target set by a group of agents with switching communication graphs. We propose a distributed…

Systems and Control · Computer Science 2015-10-21 Youcheng Lou , Yiguang Hong

Movable antennas (MAs) enhance flexibility in beamforming gain and interference suppression by adjusting position within certain areas of the transceivers. In this paper, we propose an MA-assisted integrated sensing and communication…

Signal Processing · Electrical Eng. & Systems 2025-01-03 Chengjun Jiang , Chensi Zhang , Chongwen Huang , Jianhua Ge , Dusit Niyato , Chau Yuen

Most consumer-level low-cost unmanned aerial vehicles (UAVs) have limited battery power and long charging time. Due to these energy constraints, they cannot accomplish many practical tasks, such as monitoring a sport or political event for…

Robotics · Computer Science 2021-01-27 Jyh-Ming Lien , Sam Rodriguez , Marco Morales

In this paper, we present a framework for performing collaborative localization for groups of micro aerial vehicles (MAV) that use vision based sensing. The vehicles are each assumed to be equipped with a forward-facing monocular camera,…

Robotics · Computer Science 2020-05-12 Sai Vemprala , Srikanth Saripalli

To address the challenge of efficient coverage by multi-robot systems in non-convex regions with multiple obstacles, this paper proposes a coverage control method based on the Generalized Voronoi Graph (GVG), which has two phases:…

Robotics · Computer Science 2026-03-11 Zuyi Guo , Ronghao Zheng , Meiqin Liu , Senlin Zhang

We present a novel vision-based control method to make a group of ground mobile robots achieve a specified formation shape with unspecified size. Our approach uses multiple aerial control units equipped with downward-facing cameras, each…

Robotics · Computer Science 2024-01-25 Miguel Aranda , Youcef Mezouar , Gonzalo López-Nicolás , Carlos Sagüés

This article examines the area coverage problem for a network of mobile robots with imprecise agents' localization. Each robot has uniform radial sensing ability, governed by first order kinodynamics. The convex-space is partitioned based…

Systems and Control · Computer Science 2020-02-12 Sotiris Papatheodorou , Anthony Tzes , Konstantinos Giannousakis , Yiannis Stergiopoulos

This paper investigates the movable antenna (MA)- assisted downlink non-orthogonal multiple access (NOMA) network to maximize system throughput. In the considered scenario, both the base station (BS) and users are equipped with MA, and a…

Signal Processing · Electrical Eng. & Systems 2025-07-28 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Zhendong Li , Kunlun Wang , Qiong Wu

Unmanned Aerial Vehicles (UAVs) have gained significant attention for improving wireless communication, especially in emergencies or as a complement to existing cellular infrastructure. This letter addresses the problem of efficiently…

Signal Processing · Electrical Eng. & Systems 2026-01-30 Alexander Vavoulas , Konstantinos K. Delibasis , Harilaos G. Sandalidis , George Nousias , Nicholas Vaiopoulos